<!doctype html>
<html lang="en">
	<head>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, initial-scale=1">
		<title>Template • TodoMVC</title>
		<link rel="stylesheet" href="node_modules/todomvc-common/base.css">
		<link rel="stylesheet" href="node_modules/todomvc-app-css/index.css">
		<!-- CSS overrides - remove if you don't need it -->
		<link rel="stylesheet" href="css/app.css">
	</head>
	<body>
		<section class="todoapp" id="app">
			<header class="header">
				<h1>任务清单</h1>
				<input class="new-todo"
				@keydown.enter="handleNewTodoKeyDown" 
				placeholder="What needs to be done?" v-focus>
			</header>
			<template v-if="todos.length">
				<!-- This section should be hidden by default and shown when there are todos -->
				<section class="main">
				<input id="toggle-all" 
				@change="handleToggleAllChange"
				class="toggle-all" type="checkbox">
				<label for="toggle-all">Mark all as complete</label>
				<ul class="todo-list">
					<!-- These are here just to show the structure of the list items -->
					<!-- List items should get the class `editing` when editing and `completed` when marked as completed -->
					<!-- 任务项有三种样式状态：
					未完成：无样式
					已完成：completed
					编辑： editing -->
					<li v-for="(item, index) in filterTodos" 
					:class="{completed: item.completed, editing: currentEditing === item}">
						<div class="view">
							<input class="toggle" 
							v-model="item.completed"
							type="checkbox" checked>
							<label @dblclick="handleGetEditingDblclick(item)">{{ item.title }}</label>
							<button class="destroy" @click="handleRemoveTodoClick(index, $event)"></button>
						</div>
						<input class="edit" :value="item.title" v-todo-focus="currentEditing === item"
						@keydown.esc="handleCancelEdiEsc"
						@blur="handleSaveEditKeydown(item, index, $event)"
						@keydown.enter="handleSaveEditKeydown(item, index, $event)">
					</li>
					
				</ul>
				</section>
				<!-- This footer should hidden by default and shown when there are todos -->
				<footer class="footer">
				<!-- This should be `0 items left` by default -->
				<span class="todo-count"><strong>{{remainingCount}}</strong> item left</span>
				<!-- Remove this if you don't implement routing -->
				<ul class="filters">
					<li>
						<a :class="{selected: filterText === ''}" href="#/">All</a>
					</li>
					<li>
						<a :class="{selected: filterText === 'active'}" href="#/active">Active</a>
					</li>
					<li>
						<a :class="{selected: filterText === 'completed'}" href="#/completed">Completed</a>
					</li>
				</ul>
				<!-- Hidden if no completed items are left ↓ -->
				<button v-if="todos.some(item => item.completed)"
						 class="clear-completed" @click="handleClearAllDoneClick">
							 Clear completed
				</button>
				</footer>
			</template>
		</section>
		<footer class="info">
			<p>Double-click to edit a todo</p>
			<!-- Remove the below line ↓ -->
			<p>Template by <a href="http://sindresorhus.com">Sindre Sorhus</a></p>
			<!-- Change this out with your name and url ↓ -->
			<p>Created by <a href="http://todomvc.com">you</a></p>
			<p>Part of <a href="http://todomvc.com">TodoMVC</a></p>
		</footer>
		<!-- Scripts here. Don't remove ↓ -->
		<!-- <script src="node_modules/todomvc-common/base.js"></script> -->
		<script src="node_modules/vue/dist/vue.js"></script>
		<script src="js/app.js"></script>
	</body>
</html>

